GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power, Ground, Serial Data, and Switches


Object Number: 1532267  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Control Module References
Clutch Pedal Position Switch and Stop Lamp Switch
RUN/CRANK Relay, HVAC Relay, I/P IGN Fuse, BCM3 Fuse, WIPER Fuse, RESTRAINTS Fuse, EPS Fuse
SIR Caution for Zoning
Dimmer Switch Inputs
Power Steering
Dimmer Switch Inputs
Dimmer Switch Inputs
G201
Figure 2:

Clutch Pedal Position Switch and Stop Lamp Switch


Object Number: 1532269  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Control Module References
Power, Ground, Serial Data, and Switches
RUN/CRANK Relay, HVAC Relay, I/P IGN Fuse, BCM3 Fuse, WIPER Fuse, RESTRAINTS Fuse, EPS Fuse
Ignition Switch, BCM2 Fuse, IGN SW Fuse, STOP LPS Fuse, AUDIO AMPLIFIER Fuse, CLUSTER Fuse, HVAC/PK3 Fuse
Power, Ground and Blower Motor Controls
Stop Lamps
FUEL FUMP Relay, POWERTRAIN Relay, FUEL PMP Fuse, EMISSION Fuse, INJECTORS Fuse, PCM/ECM Fuse
Stop Lamps